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BASIC RESEARCH JOURNALS OF AGRICULTURAL SCIENCE AND REVIEW ISSN 2315-6880
 

Basic Research Journal of Agricultural Science and Review ISSN 2315-6880 Vol. 6(7), pp. 57-66 October 2018 Copyright© 2018 Basic Research Journals

International Scientific Indexing (Impact Factor (0.401))

Thompson Reuters ResearchersID A-9294-2018

 

Full Length Research Paper
 

Comparison of organic, conventional and integrated fertilization on improving soil quality

 

Alemayehu Dengia1* and Egbert Lantinga2

 

1Sugar Corporation, Research and Development Center, Wonji-Ethiopia,

2Department of Plant Sciences, Biological Farming Systems Group, Wageningen University, Radix West, 2nd floor, Droevendaalsesteeg, 16708 PB Wageningen, The Netherlands

 

*Corresponding Author Email: alexdengia@gmail.com

 

Received 14 October, 2018; Acceptance 23 October, 2018; Published 06 October, 2018

 

Abstract

 

Cane productivity decline, environmental degradation, escalating prices of agrochemicals are the major challenges of Ethiopian Sugar Industry. Perhaps organic sugarcane farming is the best alternative. However, sugarcane needs considerable amount of nutrients for its growth, and it may be difficult to meet this requirement under organic soil fertilization. Thus, effect of organic soil fertilization on soil properties was compared against conventional and integrated fertilization methods on a pot experiment conducted at Wonji, Ethiopia. The study consisted 8 treatments i.e. Organic Fertilizations (150, 300, 450, 600 and 750kg organic fertilizer-N/ha), Conventional Fertilization (92kg artificial fertilizer-N/ha) and Integrated Fertilization (46kg artificial fertilizer -N/ha and 150kg organic fertilizer-N/ha) on which cane setts were planted. Soil samples were collected at planting, 11 and 21 weeks after planting (WAP) and analysed for SOM, N, P, EC and pH.  Accordingly, soil organic matter and total Nitrogen (N) increased in Organic Fertilization (OF) and Integrated Fertilization (IF), but decreased in Conventional Fertilization (CF) and control. Soil P Olsen increased seven-fold in OF  (450kg N-filter cake/ha), five-fold in IF  and three-fold in CF. At 11 weeks after planting, soil pH declined and soil EC increased in CF and IF, respectively, while the reverse was observed in OF. In general, the Organic fertilization improved soil properties. Thus, applications of filter cake as organic fertilizer play a considerable role in increasing the soil P and organic matter pools. Hence, there are possibilities to produce organic sugarcane in the cane farm.

 

Keywords: Filter cake, inorganic fertilizer, soil properties, organic, conventional and integrated

 

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Basic Research Journal of Business Management and Accounts.

Basic Research Journal of Education Research and Review.

Basic Research Journal of Medicine and Clinical Sciences.

Basic Research Journal of Social and Political Sciences.

J. Agric. Sci. Rev

Vol.6 No 7

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